Crowdsourced cell phone data could keep bridges safe and strong
Smartphones could act as mobile integrity sensors that are already in place
![A photo of the Golden Gate Bridge on a bright sunny day](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/11/110322_jr_crowdsource-bridge-data_feat.jpg?fit=1030%2C580&ssl=1)
Data collected with cell phones moving across the Golden Gate Bridge rivaled the information that dedicated instruments could provide about the bridge’s structural integrity.
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